Sideboard for futon bed



FIG. 1 is a top plan view of a sideboard for futon bed, showing my new design thereof;

FIG. 2 is a front-elevational view thereof;

FIG. 3 is a left side-elevational view thereof;

FIG. 4 is a right side-elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a rear-elevational view thereof; and,

FIG. 7 is a pictorial view thereof. 

The ornamental design for a sideboard for futon bed, as shown and described. 